_________________ is not a constituent of gun powder?

Related Mcqs:

The most commonly used substance to speed up the sedimentation of sewage is___________________?

A. Lime B. Sulphuric acid C. Chlorine D. Sodium bisulphite...

White phosphorous is stored under water, because __________________?

A. It does not react with water B. It is poisonous C. Its kindling temperature in dry air is very low D. It is unstable...

Which is the most suitable dye for synthetic fibres ?

A. Acid dye B. Azoic dye C. Pigment dye D. Mordant dye...

Which allotrope of sulphur is insoluble in carbon disulphide ?

A. Rhombic sulphur B. Monoclinic sulphur C. Plastic sulphur D. Milk of sulphur...

Ethyl alcohol cannot be produced_________________?

A. From waste sulphite substrate of paper mills B. By Esterification and hydrolysis of ethylene C. From molasses D. None of these...